The book Proceedings of the Annual Convention 20 (1919) was written by author American Railway Engineering Association Here you can read free online of Proceedings of the Annual Convention 20 (1919) book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Proceedings of the Annual Convention 20 (1919) a good or bad book?
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74.0 69.0 63.0 49.0 29.0 146.0 146.0 120 103.0 71.0 146.0 71.0 37.0 Weight 2-Bars Lbs. 93.8 74.5 80.0 75.5 69.0 102.0 74.5 93.8 55.0 69.0 185.5 215.0 178.0 %. Ratio Efficiency Weight 79.0 93.0 79.0 65.0 42 143.0 196.0 128.0 188.0 103.0 79.0 33.0 21.0 Price — Dollars 2-Bara 2.16 l.SO 1.80 1.80 1.17 I.IU 1.95§ 2.35§ 1.06§ 1.31§ 1.11§ 1.31§ 1.17 2-Tie Plates 0.38 0.38 0.38 0.38 0.95 0.38 0.38 0.38 2.20 2.20 1.64 Total 2.16 2.18 2.18 2.18 1.55 2.06 2.33 2.35 1.44 1.69 3.31 3.54 2.81 *Zollinger tie ...plate tested was 5^' thick and 9^' wide, whereas Study No. 3-A plate was heavier, being %" thick and lOM' wide. §Cost of heat treatment estimated at $5.00 per ton. #Chrome nickel steel — all other bears medium carbon steel. 49. In the above Table 11 the cost of the track tie plate was added to the cost of the bars and, therefore, the cost represents the total cost of the joint, including two tie plates for each of the joints in question. Ex- ceptions to this are the Plain No. 6 joint with the Zollinger tie plate, Study No.
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